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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1800 (Exterior Lighting System) >> Diagnosis And Testing >> Parking, Rear and License Plate Lamps >> Pinpoint Tests >> Pinpoint Test R: The Parking, Rear Or License Plate Lamps Are On Continuously >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

The Smart Junction Box (SJB) monitors the parking lamp request input from the headlamp switch. The SJB provides a ground for the parking lamp relay coil (integrated into the SJB) when a request for the parking lamps is received. When the parking lamp relay is energized, voltage is routed to the front and rear parking lamps.

This pinpoint test is intended to diagnose the following: 

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